Air density is highest:
AIn the exosphere
BAbove the ozone
CNear the surface
DAt the mesopause
Answer & Solution
Correct answer: C. Near the surface
1. Air is squeezed most where the column above is heaviest.
2. That is at the bottom of the atmosphere.
3. Density is highest near the surface and falls with altitude.
4. So the answer is near the surface.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere'_
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